3 years ago

Can someone help please?

5) A parking lot charges $@ for each hour of portion of an hour, with a maximum charge of $12 for all day. If f(t) equals the total parking bill for t hours, sketch a graph of y =f(t) for 0≤ t ≤ 24. Determine the limits as t -> 3.5 and t -> 4 of f(t), if they exist.